Influence of Ultrasonic Assistance on Material Removal Mechanism of Hard and Brittle Materials Based on Single-Point Scratch

Feng Jiao; Bo Zhao

doi:10.4028/www.scientific.net/KEM.487.413

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Study of the on-Line Testing Method for the Abrasive Belt Follow-up Grinding of the Crankshaft Crankpin
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Influence of Ultrasonic Assistance on Material Removal Mechanism of Hard and Brittle Materials Based on Single-Point Scratch
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Influence of Ultrasonic Assistance on Material Removal Mechanism of Hard and Brittle Materials Based on Single-Point Scratch

Abstract:

In order to deeply study the influence of ultrasonic assistance on material removal characteristics of hard and brittle materials, a series of ultrasonic assisted single-point scratch experiments have been carried out in this paper. Experimental results show that the assisted ultrasonic vibration is benefit to increase the critical cutting depth and enlarge the ductile regime of material removal. The main reason can be explained as the influences of blank cutting phenomenon, the decrease of the normal cutting force under the same depth of cut, the decrease of the material hardness under ultrasonic excitation and the shielding effect of lateral crack.

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Periodical:

Key Engineering Materials (Volume 487)

Pages:

413-418

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.487.413

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Online since:

July 2011

Authors:

Feng Jiao, Bo Zhao

Keywords:

Brittle Material, Critical Cutting Depth, Hard Material, Material Removal Mechanism, Single-Point Scratch

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